/********************************************************************************
 * Copyright (c) 2018 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the Apache Software License 2.0
 * which is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 ********************************************************************************/
export enum DifferenceStates {
    ADDED = 'ADDED',
    CHANGED = 'CHANGED',
    REMOVED = 'REMOVED',
    UNCHANGED = 'UNCHANGED'
}

export interface ToscaDiff {
    element: string;
    state: DifferenceStates;
    oldValue: any;
    newValue: any;
    children?: ToscaDiff[];
}

/**
 * To avoid circular dependencies, create a separate class for version utils
 */
export class VersionUtils {

    static getElementColorByDiffState(state: DifferenceStates): string {
        switch (state) {
            case DifferenceStates.ADDED:
                return 'limeGreen';
            case DifferenceStates.CHANGED:
                return '#e6e600';
            case DifferenceStates.REMOVED:
                return 'red';
            case DifferenceStates.UNCHANGED:
            default:
                return 'grey';
        }
    }
}
